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发明名称
Perfectionnements apportés aux filtres en forme de disques et à leurs procédés de fabrication
摘要
申请公布号
FR1143024(A)
申请公布日期
1957.09.25
申请号
FRD1143024
申请日期
1955.08.06
申请人
PUROLATOR PRODUCTS, INC.
发明人
分类号
B01D29/11;B01D29/41;B31C1/00;B31D5/00
主分类号
B01D29/11
代理机构
代理人
主权项
地址
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